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🛠️ Seal it soft, seal it smart — don’t let leaks steal your flow!
Black Swan Stay Soft Plumbers Putty is a 14oz waterproof, crack-resistant sealant designed for plumbing fixtures like sinks and faucets. Its unique formula stays soft and pliable under heat, preventing leaks and ensuring durable repairs. Easy to mold and stretch, this linseed oil-based putty offers professional-grade performance with a 90-day warranty, proudly made in the USA.




| ASIN | B008J3KPF0 |
| Best Sellers Rank | #7,100 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Hardware Sealers |
| Brand | Black Swan |
| Brand Name | Black Swan |
| Color | White |
| Compatible Material | Foam |
| Container Type | Pail |
| Customer Reviews | 4.5 out of 5 stars 5,662 Reviews |
| Full Cure Time | 2 hours |
| Global Trade Identification Number | 00054647010403 |
| Included Components | Putty |
| Item Form | Putty |
| Item Package Quantity | 1 |
| Item Type Name | silicone-adhesives |
| Item Weight | 15.52 ounces |
| Manufacturer | Black Swan |
| Material | Linseed Oil-based Putty |
| Material Type | Linseed Oil-based Putty |
| Model | 01040 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Stays Soft |
| Part Number | 01040 |
| Special Feature | Stays Soft |
| Specific Uses For Product | Plumbing, Household Repairs |
| UPC | 054647010403 |
| Unit Count | 14 Ounce |
| Viscosity Level | Low |
| Volume | 14 fluid ounces |
| Warranty Description | 90 Day Warranty Against Manufacturer Defects |
| Water Resistance Level | Water Resistant |
R**B
Easy to use. Easy clean up. Convenient size for small jobs.
This is as expected. The smaller container is ideal if you don't have a lot of plumbing jobs or need to use except only on rare occasion. Beyond less waste if it does dry up, the container is small enough to store in a sandwich baggie to keep the risk of drying out minimal. The pully is pliable and easy to use. Not sticky. Easy clean up.
L**N
Putty
Easy to use and worked well to seal a shower drain cover.
E**S
Good Sealant, but Watch the Consistency
Good Sealant, but Watch the Consistency This plumber’s putty does its job well for sealing sink drains, faucets, and small plumbing fixtures. The container is a good size for household or rental property use, and the putty itself is soft, pliable, and easy to mold into place without much effort. It holds its shape and doesn’t crumble, which makes for a neat, clean application. That said, I did notice that the consistency can vary—sometimes it feels softer and easier to stretch, while other times it can be a bit firmer, requiring more hand warmth to get it workable. It seals fine once applied, but it’s something to be aware of if you’re expecting uniform texture every time. Also, unlike silicone, this isn’t meant for high-pressure or underwater repairs—it’s really best for fixture seals. Bottom line: A reliable, easy-to-use plumber’s putty for everyday sink and faucet installs, but keep in mind that consistency may vary slightly from batch to batch.
P**R
Great Product
Great product
W**S
Works
Works
J**.
Laziness
If you’re like me too lazy to go to the store this is great
H**K
Packaging/delivery not good
The product may be good. BUT, when the Amazon "bag" was opened, the container and lid were "squished". Some place in the delivery chain the bag did nothing to prevent squashing the contents. I used the product for a project - it seemed quite dried out/solid - but it worked for my application. I put the remainder in a ziplock. Time will tell if it stays soft as advertised.
J**N
Plumber's puddy.
Great puddy to prevent leaks; good quality also.
M**.
Don"t scrimp just brcause "it shouldn't he needed"
I bought this to cover myself when trying to do a toilet basin repair. It worked well. Think of this like ptfe tape but for close coupling joins. Sure, if you get it perfect you don't need it... but seriously it's a good product and works well for what it is for. And not expensive and lasts indefinitely so far as i can tell. If like me you're not an ecpert plumber then give yourself a helping hand.
G**R
Works Well
Seals well with sink drain replacement. Easy to mold and apply. Air tight lid to keep putty moist. Great buy for the cost.
P**M
Efectividad
Perfecto para el fregadero no se escapa ni una gota
L**S
Buen producto aunque un poco caro
Lo he utilizado para cerrar una fuga en el desagüe del lavabo. Cumple muy bien su función, se amasa bien, no mancha y no tiene olor. Se me hace un poco caro, por eso no le pongo cinco estrellas.
B**E
Useful for sealing pesky leaks
I don’t know about you but I hate springing a leak. No there’s no need to worry in the future as all my pipes will be well secured from any leakage or spillage. It’s simply a brilliant product. I bought it specifically to seal some plumbing hoses under the bathroom sink which kept leaking. The instructions are clear, it is easy to use and comes in a handy plastic tub. The amount was generous for my specific use. Please rate this as helpful if I’ve helped you.
Trustpilot
2 months ago
4 days ago